R3132 Series Spectrum Analyzer Operation Manual
3.3.2 BW Key (Bandwidth)
3-20
3.3.2
BW Key (Bandwidth)
Pressing the BW key displays the BW menu that allows you to select resolution bandwidth (RBW) and
video bandwidth (VBW) parameters.
For example, when MNL is selected for the resolution bandwidth, the resolution bandwidth can be speci-
fied.
RBW AUTO/MNL
Toggles the video bandwidth between AUTO and MNL.
AUTO:
Automatically sets an optimum resolution bandwidth
according to the span settings.
MNL:
Allows you to set the resolution bandwidth manually.
VBW AUTO/MNL
Toggles the video bandwidth between AUTO and MNL.
AUTO:
Automatically sets an optimum video bandwidth ac-
cording to the resolution bandwidth setting.
MNL:
Allows you to set the video bandwidth manually.
Wide RBW ON/OFF
Toggles the wide band RBW setting function on or off.
The setting is effective only in the zero span mode.
ON:
Sets RBW 10 MHz and VBW OFF.
OFF:
Turns the wide band RBW setting function off to re-
store RBW and VBW to the original settings.
Auto All
Automatically sets the resolution bandwidth, the video bandwidth
and the sweep time according to the span settings.